* {
    margin: 0;
    padding: 0;
  }
  
  html {
    font-size: 20px;
    margin: 0;
    padding: 0;
    background-color: #F4F4F4;
  }
  a {
    text-decoration: none;
    color: #000;
  }
.nav {
    width: 100%;
    height: 2.5rem;
    background-color: #E54847;
  }
  
  .nav .nav-text .navigation {
    display: flex;
    padding: 0 10px;
    font-size: .9rem;
    justify-content: space-between;
    color: #fff !important;
    font-weight: 400;
    line-height: 2.5rem;
  }
  
  .nav .nav-text .navigation .navigation-left {
    padding: 0px !important;
  }
  
  .nav .nav-text .navigation .iconfont {
    font-size: 1rem !important;
  }
  
  .nav .nav-text .navigation p {
    color: #fff !important;
    font-size: 1rem !important;
  }
  
  .nav .nav-text .navigation a {
    color: #fff !important;
  }
  
  .nav .nav-text .navigation .home .more {
    position: absolute;
    right: 10px;
    top: 40px;
    text-align: center;
    background-color: #fff;
    display: none;
    width: 5.5rem;
    z-index: 100;
  }
  
  .nav .nav-text .navigation .home .more p {
    margin: 0;
    padding: 0;
    font-size: .7rem !important;
    line-height: 45px;
    border-bottom: 1px solid #F0F0F0;
  }
  
  .nav .nav-text .navigation .home .more p a {
    color: #000 !important;
  }
  
  .nav .nav-text .navigation .home:hover .more {
    display: block;
  }
  .introduce{
    padding:.5rem .8rem .1rem .8rem;
    border-bottom: 1px solid #CCCCCC;
  }
  .introduce h4{
    line-height: 2rem;
  }
  .introduce .date {
    color: #FF9900;
    font-size: .7rem;
    line-height: 1.7rem;
  }
  .introduce .paragraph {
    font-size: .7rem;
    color: #666;
    line-height: 1rem;
    margin-bottom: .8rem;
  }
  .presell {
    position: relative;
    height: 4.4rem;
   padding:0.8rem .8rem .8rem .8rem;
    border-bottom: 1px solid #CCCCCC;
  }
  .presell .img3 img {
    float: left;
    width: 3.1rem;
    height: 4.4rem;
    margin-right: 10px;
  }
  
  .presell .presell-conter {
    font-size: .8rem;
    float: left;
  }
  .presell h3 {
  line-height: 1.7rem;
    font-size: .9rem;
  }
  .presell .presell-conter .xiangkan {
    font-size: .7rem;
    line-height: 1.3rem;
    color: #999;
  }
  
  .presell .presell-conter .rq {
    font-size: .6rem;
    color: #999;
    line-height: .5rem;
    height: .5rem;
  }
  
  .presell .presell-right {
    text-align: center;
    line-height: 1.3rem;
    font-size: .8rem;
    color: #FF9900;
    float: right;
  }
  .presell .presell-right .iconfont{ 
    margin-top: 1rem;
    display:inline-block;
    width: 2rem;
    height: 1.3rem;
    color: red;
    border: 1px solid red;
    border-radius: 1rem;
  }
  .sjx {
    width: 0;
    height: 0;
    position: absolute;
    border-top: 1.25rem solid #ff9900;
    border-right: 1.25rem solid transparent;
  }
  .sz {
    position: absolute;
    font-size: .6rem;
    color: #fff;
    left: .85rem;
  }